code: def setUp(self):
      self.tmp_dir = tempfile.TemporaryDirectory()
  
file_path: mmdetection/tests/test_datasets/test_coco_api_wrapper.py
imports: import os.path
  import tempfile
  import unittest
  from mmengine.fileio import dump
  from mmdet.datasets.api_wrappers import COCOPanoptic
label_desc: Use image node_id 1 for calling the TestCOCOPanoptic obj's underlying member method code with example usage: obj.setUp() without return types